Title: How to get handle and class name from the current mouse pos
type
TForm1 = class(TForm)
Label1: TLabel;
Label2: TLabel;
Timer1: TTimer;
procedure Timer1Timer(Sender: TObject);
procedure FormCreate(Sender: TObject);
private
procedure ShowHwndAndClassName(CrPos: TPoint);
public
end;
var
Form1: TForm1;
implementation
{$R *.DFM}
procedure TForm1.Timer1Timer(Sender: TObject);
var
rPos: TPoint;
begin
if Boolean(GetCursorPos(rPos)) then ShowHwndAndClassName(rPos);
end;
procedure TForm1.ShowHwndAndClassName(CrPos: TPoint);
var
hWnd: THandle;
aName: array [0..255] of Char;
begin
hWnd := WindowFromPoint(CrPos);
Label1.Caption := 'Handle : ' + IntToStr(hWnd);
if Boolean(GetClassName(hWnd, aName, 256)) then
Label2.Caption := 'ClassName : ' + string(aName)
else
Label2.Caption := 'ClassName : not found';
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
Form1.FormStyle := fsStayOnTop;
Timer1.Interval := 50;
end;